package 预习的;

public class PPT例子02 {

    public static void main(String[] args) {
        int a = 10;
        int b= 20;
        f1(a,b);
        System.out.println(a);
        System.out.println(b);

    }

    public static void f1(int a, int b) {
        a = 100;
        b = 200;
    }
}
